Glass shade



FIG. 1 is a perspective view of a glass shade showing my new design;

FIG. 2 is a front elevational view of the glass shade, the rear elevational view being identical and the left and right side elevational views being a mirror image;

FIG. 3 is a top plan view of the glass shade; and,

FIG. 4 is a bottom plan view of the glass shade.

The broken lines shown are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a glass shade, as shown and described. 